.pop {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
  display: none;
}

.pop .content {
  width: 400px;
  height: 300px;
  background-color: #fff;
  border-radius: 10px;
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  position: relative;
}

.pop-show {
  display: flex;
}
